<section>
  <button fuiBtn="primary" (click)="openSmModal()">Small</button>
  <button fuiBtn="primary" (click)="openMdModal()">Middle</button>
  <button fuiBtn="primary" (click)="openLgModal()">Large</button>
  <button fuiBtn="primary" (click)="openXlgModal()">Xlarge</button>
</section>